CN101848402B - Device, system and method for transmitting data - Google Patents
Device, system and method for transmitting data Download PDFInfo
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- CN101848402B CN101848402B CN 200910130197 CN200910130197A CN101848402B CN 101848402 B CN101848402 B CN 101848402B CN 200910130197 CN200910130197 CN 200910130197 CN 200910130197 A CN200910130197 A CN 200910130197A CN 101848402 B CN101848402 B CN 101848402B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
Abstract
The invention discloses a device, a system and a method for transmitting data. The data transmission device comprises a first interactive unit and a downlink process unit, wherein, the first interactive unit is used for extracting N time slots of data in 2N time slots of interactive data from another data transmission device as second downlink interactive data to be sent; and the downlink process unit is used for receiving the second downlink interactive data sent by the first interactive unit, extracting N time slots of data in 2N time slots of downlink data from a light peak as the first downlink data, and combining the first downlink data and the second downlink interactive data to send to a business board, wherein, N is a positive integer. The invention can reduce cross granularity and expand cross capacity.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of data transmission device, system and method.
Background technology
At present, in telecommunication transmission system, the TFI5 bus is that at present comparatively general backboard connects bus, is used for connecting each business board and cross board.The synchronous digital hierarchy of light mouth side (Synchronous Digital Hierarchy, referred to as SDH) or optical transfer network (OpticalTransport Network, referred to as OTN) when business is mapped to the TFI5 bus, the way of mapping is according to the speed of light port service and the speed of TFI5 bus, and the scale of cross-capacity and used device considers.
But, in correlation technique, the less intersection particle that can't provide, thus larger cross-capacity can't be provided.
Summary of the invention
Consider that thereby the less intersection particle that can't provide that exists in the correlation technique can't provide the problem of larger cross-capacity and makes the present invention, for this reason, main purpose of the present invention is to provide a kind of one-tenth frame system and data transmission method, to solve the problems referred to above in the correlation technique.
According to an aspect of the present invention, provide a kind of data transmission device.One end of this device is connected to the light mouth, and the other end is connected to business board.
Data transmission device according to the present invention comprises: the first interactive unit is used for extracting the data of N time slot as the second descending interaction data transmission from the interaction data from 2N time slot of another data transmission device; The downlink processing unit, be used for receiving the second descending interaction data that the first interactive unit sends, and from from the data that extract N time slot the downlink data of 2N time slot of light mouth as first downstream data, send to business board after first downstream data and the second descending interaction data made up; Wherein, N is positive integer.
According to another aspect of the present invention, provide another kind of data transmission device.One end of this device is connected to the light mouth, and the other end is connected to business board.
Data transmission device according to the present invention comprises: the first interactive unit is used for sending as the second uplink interaction data from the data from N the time slot of interaction data extraction of 2N time slot of another data transmission device; Up processing unit, be used for receiving the second uplink interaction data that the first interactive unit sends, and from from the data that extract N time slot the upstream data of 2N time slot of business board as the first upstream data, be sent to the light mouth after the second uplink interaction data and the first upstream data made up; Wherein, N is positive integer.
According to a further aspect of the invention, provide a kind of data transmission system.
Data transmission system according to the present invention comprises: first data transmission device and the second data transmission device that is connected with the first data transmission device by mutual bus, one end of first data transmission device and the second data transmission device all is connected to the light mouth, the other end all is connected to business board, and first data transmission device and the second data transmission device are data transmission device provided by the invention.
According to a further aspect of the invention, a kind of data transmission method also is provided, the method is used for carrying out transfer of data in the data transmission system that comprises first data transmission device and the second data transmission device, and this data transmission system is between light mouth and business board.
Data transmission method according to the present invention comprises: the first data transmission device receives the interaction data from 2N time slot of the second data transmission device, and from 2N time slot of interaction data the data of N time slot of extraction as the second descending interaction data; The first data transmission device receives the downlink data from 2N time slot of light mouth, and from downlink data the data of N time slot of extraction as first downstream data; The first data transmission device sends to business board after first downstream data and the second descending interaction data are made up; Wherein, N is positive integer.
According to a further aspect of the invention, provide another kind of data transmission method.
Data transmission method according to the present invention comprises: the first data transmission device receives the interaction data from 2N time slot of the second data transmission device, and from interaction data the data of N time slot of extraction as the second uplink interaction data; The first data transmission device receives the upstream data from 2N time slot of business board, and from upstream data the data of N time slot of extraction as the first upstream data; The first data transmission device is sent to the light mouth after the second uplink interaction data and the first upstream data are made up; Wherein, N is positive integer.
By technique scheme of the present invention, by becoming the first data transmission device (or second data transmission device) in the frame system that downlink data is heavily distributed at time slot, and carry out data interaction with the second data transmission device (or first data transmission device), can be descending at the upper transmitting two paths of first data transmission device (or second data transmission device), thus cross grain, expansion cross-capacity can be reduced.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the data transmission device the transmission of data of correlation technique;
Fig. 2 A is the structural representation according to the data transmission device of the embodiment of the invention;
Fig. 2 B is the structural representation of data transmission device according to the preferred embodiment of the invention;
Fig. 3 A is the structural representation according to the data transmission device of the embodiment of the invention;
Fig. 3 B is the structural representation of data transmission device according to the preferred embodiment of the invention;
Fig. 4 shows the structure of the data transmission system of system according to the invention embodiment;
Fig. 5 A is the structured flowchart of specific implementation of the data transmission system of system according to the invention embodiment;
Fig. 5 B is the structural representation according to transmitting downlink data in the data transmission system of embodiment of the invention specific implementation;
Fig. 6 is the flow chart according to the data transmission method of the inventive method embodiment one;
Fig. 7 is for sending to the structural representation of the interaction data of data transmission device according to the second data transmission device of the embodiment of the invention;
Fig. 8 is the structural representation according to the downlink data of the first data transmission device transmission of the embodiment of the invention;
Fig. 9 is the structural representation according to the upstream data of the first data transmission device transmission of the embodiment of the invention;
Figure 10 is the structural representation that sends to the interaction data of the second data transmission device according to the first data transmission device of the embodiment of the invention;
Figure 11 is the flow chart according to the data transmission method of the inventive method embodiment two.
Embodiment
Functional overview
In correlation technique, transmission of one line downlink data or upstream data on the data transmission device, Fig. 1 shows the structure of the data of transmitting on the data transmission device, at downlink side, this data transmission device adds up to the downlink data of 2N by light mouth receiving slot, and this downlink data is mapped on the bus of M road, in upstream side, this data transmission device receives from the upstream data on the bus of M road, and this upstream data is mapped on 2N the time slot sends by the light mouth.As seen on a data transmission device, can only the transmission of one line downlink data at downlink side, in like manner, also can only the transmission of one line upstream data in upstream side, if reduce to intersect particle, improve cross-capacity, can only realize by increasing data transmission device.The embodiment of the invention is on the basis that does not increase hardware, internal structure by changing data transmission device is also carried out data interaction between two data transmission devices, can be on a data transmission device at downlink side transmitting two paths downlink data, at upstream side transmitting two paths upstream data, thereby can reduce to intersect particle, cross-capacity is provided.
Need to prove that if do not conflict, each feature among the embodiment of the invention and the embodiment can mutually combine, all within protection scope of the present invention.
Below in conjunction with accompanying drawing embodiments of the invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
Device embodiment one
According to the embodiment of the invention, at first provide a kind of data transmission device.
Fig. 2 A is the structural representation according to the data transmission device of the embodiment of the invention, shown in Fig. 2 A, end according to the data transmission device of the embodiment of the invention is connected to the light mouth, the other end is connected to business board, and this data transmission device mainly comprises: the first interactive unit 11 and downlink processing unit 13.
Wherein, the first interactive unit 11 is used for extracting the data of N time slot as the second descending interaction data transmission from the interaction data from 2N time slot of another data transmission device; Downlink processing unit 13, be used for receiving the second descending interaction data that the first interactive unit 11 sends, and from from the data that extract N time slot the downlink data of 2N time slot of light mouth as first downstream data, send to business board after first downstream data and the second descending interaction data made up; Wherein, N is positive integer.
Further, above-mentioned the first interactive unit 11 also is used for the data of remaining N of interaction data time slot are sent as the second uplink interaction data; Then this data transmission device also comprises: up processing unit 15, shown in Fig. 2 A, up processing unit 15 is used for receiving the second uplink interaction data that the first interactive unit 11 sends, from from the first upstream data that extracts N time slot the upstream data of 2N time slot of business board, and the first upstream data and the second uplink interaction data are made up be sent to the light mouth.
Further, shown in Fig. 2 A, this data transmission device can also comprise: the second interactive unit 17 is used for the first uplink interaction data with the first descending interaction data of all the other N time slot of downlink data and all the other N time slot in the upstream data and is combined into interaction data and sends to another data transmission device.
Preferably, above-mentioned up processing unit 15 also is used for the data of all the other N time slot of above-mentioned upstream data are sent to the second interactive unit 17 as the first uplink interaction data.Perhaps, the second interactive unit 17 is directly from the data from N time slot of extraction the upstream data of business board.
And shown in Fig. 2 B, this data transmission device can also comprise: expense plug-in unit 31 for the data after the combination that receives 13 transmissions of downlink processing unit, and sends to business board insert the bus expense in these data after; Perhaps, be used for receiving the data from after the combination of the second interactive unit 17 transmissions, and send to another data transmission device after in these data, inserting predetermined mutual bus expense.
Further, shown in Fig. 2 B, this data transmission device can also comprise: data capture unit 33, be used for from obtaining above-mentioned upstream data from the data of business board, and from the data from another data transmission device, obtain above-mentioned interaction data, and the upstream data that obtains sent to up processing unit 15, the interaction data that obtains is sent to the first interactive unit 11.
The interaction data that the first interactive unit 11 receives from another data transmission device, according to from interaction data, extracting the second uplink interaction data, and send to up processing unit 15, remaining data in the interaction data as the second descending interaction data, and are sent to downlink processing unit 13; Downlink processing unit 13 extracts first downstream data from the downlink data from the light mouth, receive the second descending interaction data from the first interactive unit 11, and will send to business board after first downstream data and the second descending interaction data combination; Up processing unit 15 is from from extracting the first upstream data the upstream data of business board, the data of remainder in the upstream data are sent to the second interactive unit 17 as the first uplink interaction data, reception is from the second uplink interaction data of the first interactive unit 13, and will the first upstream data and the combination of the second uplink interaction data after send from the light mouth; The second interactive unit 17 is obtained the first descending interaction data except first downstream data from downlink data, reception will send to the first interactive unit of the second data transmission device 2 from the first uplink interaction data of up processing unit 15 after the first descending interaction data and the combination of the first uplink interaction data.
Device embodiment two
According to the embodiment of the invention, another kind of data transmission device also is provided, an end of this data transmission device is connected to the light mouth, and the other end is connected to business board.
Fig. 3 A is the structural representation according to the data transmission device of the embodiment of the invention, Fig. 3 B is the structural representation of data transmission device according to the preferred embodiment of the invention, as shown in Figure 3A, the data transmission device according to the embodiment of the invention mainly comprises: the first interactive unit 11 and up processing unit 15.Wherein, the first interactive unit 11 is used for sending as the second uplink interaction data from the data from N the time slot of interaction data extraction of 2N time slot of another data transmission device; Up processing unit 13 is connected with the first interactive unit 11, be used for receiving the second uplink interaction data that the first interactive unit 11 sends, and from from the data that extract N time slot the upstream data of 2N time slot of business board as the first upstream data, be sent to the light mouth after the second uplink interaction data and the first upstream data made up; Wherein, N is positive integer.
Further, shown in Fig. 3 B, this data transmission device can also comprise: the second interactive unit 17, be combined into interaction data for the data with second downstream data and all the other N of above-mentioned interaction data time slot and send to another data transmission device, wherein, second downstream data is the data of N time slot extracting from the downlink data from 2N time slot of light mouth.
And, shown in Fig. 3 B, this data transmission device can also comprise: data capture unit 33, be used for from obtaining above-mentioned upstream data from the data of business board, and from the data from another data transmission device, obtain above-mentioned interaction data, and the described upstream data that will obtain sends to up processing unit 15, and the interaction data that obtains is sent to the first interactive unit 11.
In concrete application process, each functional unit of the data transmission device described in said apparatus embodiment one and the device embodiment two can arrange respectively in two devices, also can unify to be arranged in the device.
System embodiment
Fig. 4 shows the structure of the data transmission system of system according to the invention embodiment, as shown in Figure 4, the one-tenth frame system of system according to the invention embodiment comprises: first data transmission device 1 and the second data transmission device 2, first data transmission device 1 has identical 26S Proteasome Structure and Function with the second data transmission device 2, can be any the possible data transmission device among said apparatus embodiment one and the device embodiment two.Wherein, first data transmission device 1 and the second data transmission device 2 end separately are connected to the light mouth, reception is from the downlink data of light mouth, the other end is connected to business board by bus, and, be connected by mutual bus between first data transmission device 1 and the second data transmission device 2, carry out data interaction by this mutual bus.The following describes the working method of this one-tenth frame system.
At downlink side, the downlink data that first data transmission device 1 receives from 2N time slot of light mouth, therefrom extract the data of N time slot as first downstream data, in this device, first downstream data sent to business board, with the data of all the other N time slot in the downlink data as the first descending interaction data, the first descending interaction data is sent to the second data transmission device 2 by mutual bus, by the second data transmission device 2 the first descending interaction data is sent to business board; And first data transmission device 1 also receives the second descending interaction data from the second data transmission device 2; First data transmission device 1 sends to business board after with first downstream data and the combination of the second descending interaction data.
Can find out, first data transmission device 1 sends in the data of business board and comprises: a part of downlink data that a part of downlink data that first data transmission device 1 receives and the second data transmission device 2 receive, like this, a data transmission device receives and sends a circuit-switched data and need to connect M bus in the correlation technique, in the present embodiment, the data that first data transmission device 1 will receive after a circuit-switched data also will make up send to before the business board, the bus that first data transmission device 1 connects need to be extended to a 2M bus, thereby can reduce cross granularity, enlarge cross-capacity.
And the data that first data transmission device 1 sends by the light mouth comprise the part upstream data that part upstream data that first data transmission device 1 receives and the second data transmission device 2 receive, like this, can up direction reduce to intersect particle, enlarge cross-capacity.The part downlink data and the part upstream data that receive by first data transmission device 1 send to the second data transmission device 2, so that the part downlink data that the second data transmission device 2 will receive at down direction and send to business board from the part downlink data of first data transmission device 1, the part upstream data that reception is obtained at up direction and send by the light mouth from the part upstream data of first data transmission device 1.
In like manner, the second data transmission device 2 is from from extracting the data of N time slot the downlink data of 2N time slot of light mouth as second downstream data, with the data of all the other N time slot as the second descending interaction data, the second descending interaction data is sent to first data transmission device 1 by mutual bus, and receive the first descending interaction data from first data transmission device 1, will second downstream data and the second descending interaction data combination after send to business board.
In upstream side, the working method of first data transmission device 1 and the second data transmission device 2 is with similar in the working method of downlink side, distinguish be the transmission be upstream data, concrete working method is similar with what describe among the said apparatus embodiment, repeats no more here.
In addition, the processing of carrying out data interaction between first data transmission device 1 and the second data transmission device 2 comprises: first data transmission device 1 sends to the second data transmission device 2, the second data transmission devices 2 after with the combination of the first descending interaction data and the first uplink interaction data and sends to first data transmission device 1 after with the second descending interaction data and the combination of the second uplink interaction data.
Present embodiment is in the process of specific implementation, can realize first data transmission device 1 and the second data transmission device 2 with two block structures identical fpga chip or application-specific integrated circuit (ASIC) (Application Specific Integrated Circuit is referred to as ASIC) chip.
The technical scheme that provides by means of present embodiment, by the data interaction between two data transmission devices in the data transmission system, can reduce to intersect particle, enlarge cross-capacity, and this system configuration is clear, versatility is high, resource occupation is few, do not increase hardware cost.
In specific implementation process, above-mentioned system shown in Figure 4 can be realized by the system shown in Fig. 5 A, shown in Fig. 5 A, this system comprises FPGA 1 and FPGA 2, FPGA1 and FPGA 2 correspond respectively to above-mentioned first data transmission device 1 and the second data transmission device 2, FPGA 1 and FPGA 2 are in the OTU2 data of downlink side reception from the light mouth, the other end is connected to backboard (being above-mentioned business board) by 5 road core buss (TFI5 bus), access a FPGA at per 5 road core buss of upstream side, and send the data to the OTU2 module by the light mouth.
Modules A, be connected to module 3, mode one according to above-mentioned the second pre-defined rule, from 16 time slots of descending OTU2 data, extract the data of strange time slot as first downstream data, reception is from the second descending interaction data of module 3, first downstream data and the second descending interaction data are made up, first downstream data is arranged in front 8 time slots of 16 time slots, the second descending interaction data is arranged in rear 8 time slots, data after the combination are sent to module C, and the structure of these data can be with reference to figure 8.
Module B, be connected to module 2, mode one according to above-mentioned the second pre-defined rule, from 16 time slots of row OTU2 data, extract the data of even time slot as the first descending interaction data, reception is from the first uplink interaction data of module 2, mode according to situation one in the above-mentioned predetermined combinations rule makes up the first descending interaction data and the first uplink interaction data, namely, the first descending interaction data is arranged in front 8 time slots of 16 time slots, with rear 8 time limits of the first uplink interaction data arrangement at 16 time slots, data after the combination are sent to module C, and the structure of these data can be with reference to figure 7.
Module C is connected to modules A and module B, receives the data from modules A, sends to backboard after the insertion core bus expense in these data; Reception sends to FPGA2 after the mutual bus expense of insertion from the data of module B in these data.
The schematic construction of FPGA 1 and FPGA 2 transmitting downlink data has been shown among Fig. 5 B.Shown in Fig. 5 B, front 8 slot transmission first downstream data (being the part of first via downlink data) of FPGA 1, rear 8 slot transmission the second descending interaction data (i.e. the part of the second road downlink data).Structure and Fig. 6 of FPGA 1 and FPGA 2 transmit ascending datas are similar, repeat no more.
Need to prove, on the one-tenth frame system shown in Fig. 5 A, can also transmit the OTU1 data, and can also use SDH professional (transmission STM-4 or STM-16 data), 10GE business etc.
System shown in Fig. 5 A is the descending OTU2 data of transmitting two paths upgoing O TU2 data and two-way in FPGA 1 and FPGA 2 respectively, can reduce to intersect particle, enlarge cross-capacity.
Embodiment of the method one
According to the inventive method embodiment, also provide a kind of data transmission method.The method is applied on the data transmission system that comprises first data transmission device and the second data transmission device carries out transfer of data, and this data transmission system is between light mouth and business board.Need to prove, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the flow chart of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Fig. 6 shows the flow process according to the data transmission method of the inventive method embodiment, and as shown in Figure 6, the method comprises following processing procedure (step S602 is to step S606):
Step S602, first data transmission device receive the interaction data from 2N time slot of the second data transmission device, and from 2N time slot of interaction data the data of N time slot of extraction as the second descending interaction data;
Particularly, can from 2N time slot of interaction data, extract the data of N time slot as the second descending interaction data according to the first pre-defined rule;
Step S604, first data transmission device receive the downlink data from 2N time slot of light mouth, and from downlink data the data of N time slot of extraction as first downstream data;
Particularly, the data that can extract N time slot from downlink data according to the second pre-defined rule are as first downstream data, and the data of all the other N time slot are as the first descending interaction data;
Step S606, first data transmission device send to business board after first downstream data and the second descending interaction data are made up;
Particularly, send to the second data transmission device after can making up the first descending interaction data and the first uplink interaction data according to the predetermined combinations rule.
And for upstream data, the method can also may further comprise the steps:
Step a: the first data transmission device receives the upstream data from 2N time slot of business board, and from upstream data the data of N time slot of extraction as the first uplink interaction data;
Particularly, can from interaction data, extract the data of N time slot as the first uplink interaction data according to the 3rd pre-defined rule.
Step b: the first data transmission device as the first descending interaction data, is combined into the data of all the other N time slot in the above-mentioned downlink data interaction data with the above-mentioned first descending interaction data and the first uplink interaction data and sends to the second data transmission device.
Particularly, can the first descending interaction data and the first uplink interaction data be combined into interaction data according to the predetermined combinations rule.
And, the first data transmission device sends from the light mouth after the first upstream data and the second uplink interaction data are made up, wherein, the first upstream data is the data of all the other N time slot in the above-mentioned upstream data, and the second uplink interaction data are the data of all the other N time slot in the above-mentioned interaction data.
Preferably, the rule of combination that first downstream data and the second descending interaction data is made up can include but not limited to following four kinds of situations:
Situation one is arranged in the top N time slot of 2N time slot with the second descending interaction data, and with the rear N digit time slot of the second uplink interaction data arrangement at 2N time slot, Fig. 7 shows the structure of interaction data in this kind situation;
Situation two is arranged in the rear N digit time slot of 2N time slot with the second descending interaction data, with the top N time slot of the second uplink interaction data arrangement at 2N time slot;
Situation three is arranged in the strange time slot position of 2N time slot with the second descending interaction data, with the even time slot position of the second uplink interaction data arrangement at 2N time slot;
Situation four is arranged in the even time slot position of 2N time slot with the second descending interaction data, with the strange time slot position of the second uplink interaction data arrangement at 2N time slot.
Corresponding with the combinations thereof rule, the first pre-defined rule can include but not limited to following four kinds of situations:
For above-mentioned situation one, the data of the top N time slot of 2N time slot of extraction are as the second descending interaction data from the interaction data that receives, and the data of the rear N digit time slot of 2N time slot of extraction are as the second uplink interaction data from this interaction data.
For above-mentioned situation two, the data of the rear N digit time slot of 2N time slot of extraction are as the second descending interaction data from the interaction data that receives, and the data of the top N time slot of 2N time slot of extraction are as the second uplink interaction data from data;
For above-mentioned situation three, the data of the strange time slot position of 2N time slot of extraction are as the second descending interaction data from the interaction data that receives, and the data of the even time slot position of 2N time slot of extraction are as the second uplink interaction data from data;
For above-mentioned situation four, the data of the even time slot position of 2N time slot of extraction are as the second descending interaction data from the interaction data that receives, and the data of the strange time slot position of 2N time slot of extraction are as the second uplink interaction data from data.
Preferably, the second pre-defined rule includes but not limited to following four kinds of modes: mode one, extract the data of N strange time slot as first downstream data from downlink data; Mode two extracts the data of N even time slot as first downstream data from downlink data; Mode three, the data of the top n time slot of 2N time slot of extraction are as first downstream data from downlink data; Mode four, the data of rear N time slot of 2N time slot of extraction are as first downstream data from downlink data.
Preferably, the mode that first downstream data and the second descending interaction data are made up can include but not limited to: mode one, first downstream data is arranged in the top N time slot of 2N time slot, the second descending interaction data is arranged in the rear N digit time slot of 2N time slot, and Fig. 8 shows the structure of the data of this mode; Mode two is arranged in the rear N digit time slot of 2N time slot with first downstream data, and just the second descending interaction data is arranged in the top N time slot of 2N time slot; Mode three is arranged in the strange time slot position of N of 2N time slot with first downstream data, the second descending interaction data is arranged in the individual even time slot position of N of 2N time slot; Mode two is arranged in N the even time slot position of 2N time slot with first downstream data, and the second descending interaction data is arranged in N of 2N time slot very time slot position.
Preferably, the 3rd pre-defined rule includes but not limited to following four kinds of modes: mode one, extract the data of N strange time slot as the first upstream data from upstream data; Mode two extracts the data of N even time slot as the first upstream data from upstream data; Mode three, the data of the top n time slot of 2N time slot of extraction are as the first upstream data from upstream data; The data of rear N time slot of 2N time slot of extraction are as the first upstream data from upstream data.
Preferably, the rule of combination that the first upstream data and the second uplink interaction data are made up includes but not limited to: mode one, the first upstream data is arranged in the top N time slot of 2N time slot, with the rear N digit time slot of the second uplink interaction data arrangement at 2N time slot, Fig. 9 shows the structure of the data of this mode; Mode two is arranged in the rear N digit time slot of 2N time slot with the first upstream data, with the top N time slot of the second uplink interaction data arrangement at 2N time slot; Mode three is arranged in the strange time slot position of N of 2N time slot with the first upstream data, with the second uplink interaction data arrangement in the individual even time slot position of the N of 2N time slot; Mode two is arranged in N the even time slot position of 2N time slot with the first upstream data, and just the second uplink interaction data arrangement is N of 2N time slot strange time slot position.
Preferably, the employed predetermined combinations rule of first data transmission device can be that above-mentioned situation one is regular to the predetermined combinations in the situation four, namely, mode one, the first descending interaction data is arranged in the top N time slot of 2N time slot, with the rear N digit time slot of the first uplink interaction data arrangement at 2N time slot, Figure 10 shows the structure of the data of this mode; Mode two is arranged in the rear N digit time slot of 2N time slot with the first descending interaction data, with the top N time slot of the first uplink interaction data arrangement at 2N time slot; Mode three is arranged in the strange time slot position of 2N time slot with the first descending interaction data, with the even time slot position of the first uplink interaction data arrangement at 2N time slot; Mode four is arranged in the even time slot position of 2N time slot with the first descending interaction data, with the strange time slot position of the first uplink interaction data arrangement at 2N time slot.
The technical scheme that provides by means of the embodiment of the invention, by the first data transmission device downlink data is heavily distributed at time slot, and and the second data transmission device between carry out data interaction, can be on the first data transmission device transmitting two paths downlink data, thereby can reduce cross grain, enlarge cross-capacity.
Embodiment of the method two
According to the embodiment of the invention, another kind of data transmission method also is provided, the method is used for carrying out transfer of data in the data transmission system that comprises first data transmission device and the second data transmission device, and this data transmission system is between light mouth and business board.
Figure 11 is the flow chart of transfer of data (upstream data) method according to the embodiment of the invention, as shown in figure 11, may further comprise the steps according to the data transmission method of the embodiment of the invention:
Step S1102: the first data transmission device receives the interaction data from 2N time slot of the second data transmission device, and from interaction data the data of N time slot of extraction as the second uplink interaction data;
Step S1104: the first data transmission device receives the upstream data from 2N time slot of business board, and from upstream data the data of N time slot of extraction as the first upstream data; Wherein, N is positive integer.
Step S1106: the first data transmission device is sent to the light mouth after the second uplink interaction data and the first upstream data are made up.
And for downlink data, the method is further comprising the steps of:
Similar in concrete compound mode and decimation rule and the embodiment of the method two do not given unnecessary details at this.
In sum, by means of technical scheme of the present invention, by the first data transmission device downlink data or upstream data are heavily distributed at time slot, and and the second data transmission device between carry out data interaction, can be at downlink side transmitting two paths downlink data or at upstream side transmitting two paths upstream data on the first data transmission device, thereby can reduce cross grain, enlarge cross-capacity, and the framing system configuration that present embodiment provides is clear, versatility is high, resource occupation is few, do not increase hardware cost.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. a data transmission device is characterized in that, an end of described data transmission device is connected to the light mouth, and the other end is connected to business board, and described data transmission device comprises:
The first interactive unit is used for extracting the data of N time slot as the second descending interaction data transmission from the interaction data from 2N time slot of another data transmission device;
The downlink processing unit, be used for receiving the described second descending interaction data that described the first interactive unit sends, and from from the data that extract N time slot the downlink data of 2N time slot of described light mouth as first downstream data, send to described business board after described first downstream data and the described second descending interaction data made up; Wherein, N is positive integer.
2. device according to claim 1 is characterized in that,
Described the first interactive unit also is used for the data of remaining N of described interaction data time slot are sent as the second uplink interaction data;
Described device also comprises:
Up processing unit, be used for receiving described the second uplink interaction data that described the first interactive unit sends, from from the data that extract N time slot the upstream data of 2N time slot of described business board as the first upstream data, and described the first upstream data and described the second uplink interaction data made up be sent to described light mouth.
3. device according to claim 2 is characterized in that, described device also comprises:
The second interactive unit is used for that the data of all the other N time slot of described downlink data are combined into interaction data as the data of all the other N time slot in the first descending interaction data and the described upstream data as the first uplink interaction data and sends to described another data transmission device.
4. device according to claim 3 is characterized in that, described up processing unit also is used for the data of all the other N time slot of described upstream data are sent to described the second interactive unit as described the first uplink interaction data.
5. according to claim 3 or 4 described devices, it is characterized in that described device also comprises:
The expense plug-in unit for the data after the combination that receives the transmission of described downlink processing unit, and sends to described business board after inserting the bus expense in the data after the combination that described downlink processing unit sends; Perhaps, be used for receiving the interaction data from after the combination of described the second interactive unit transmission, and send to described another data transmission device after inserting predetermined mutual bus expense in the interaction data after the combination that described the second interactive unit sends.
6. according to claim 3 or 4 described devices, it is characterized in that described device also comprises:
Data capture unit, be used for from obtaining described upstream data from the data of described business board, and from the data from described another data transmission device, obtain described interaction data, and the described upstream data that will obtain sends to described up processing unit, and the described interaction data that obtains is sent to described the first interactive unit.
7. a data transmission device is characterized in that, an end of described data transmission device is connected to the light mouth, and the other end is connected to business board, and described data transmission device comprises:
The first interactive unit is used for sending as the second uplink interaction data from the data from N the time slot of interaction data extraction of 2N time slot of another data transmission device;
Up processing unit, be used for receiving described the second uplink interaction data that described the first interactive unit sends, and from from the data that extract N time slot the upstream data of 2N time slot of described business board as the first upstream data, be sent to described light mouth after described the second uplink interaction data and described the first upstream data made up;
Wherein, N is positive integer.
8. device according to claim 7 is characterized in that, described device also comprises:
The second interactive unit, be combined into interaction data for the data with second downstream data and all the other N of described interaction data time slot and send to described another data transmission device, wherein, described second downstream data is the data of N time slot extracting from the downlink data from 2N time slot of described light mouth.
9. device according to claim 7 is characterized in that, described device also comprises:
Data capture unit, be used for from obtaining described upstream data from the data of described business board, and from the data from described another data transmission device, obtain described interaction data, and the described upstream data that will obtain sends to described up processing unit, and the described interaction data that obtains is sent to described the first interactive unit.
10. data transmission system, between light mouth and business board, it is characterized in that, described system comprises: first data transmission device and the second data transmission device that is connected with described first data transmission device by mutual bus, one end of described first data transmission device and described the second data transmission device all is connected to described light mouth, the other end all is connected to described business board, and described first data transmission device and described the second data transmission device are such as each described data transmission device in the claim 1 to 9.
11. a data transmission method is used for carrying out transfer of data in the data transmission system that comprises first data transmission device and the second data transmission device, described data transmission system is characterized in that between light mouth and business board described method comprises:
Described first data transmission device receives the interaction data from 2N time slot of described the second data transmission device, and from 2N time slot of described interaction data the data of N time slot of extraction as the second descending interaction data;
Described first data transmission device receives the downlink data from 2N time slot of light mouth, and from described downlink data the data of N time slot of extraction as first downstream data;
Described first data transmission device sends to business board after described first downstream data and the second descending interaction data are made up;
Wherein, N is positive integer.
12. method according to claim 11 is characterized in that, described method also comprises:
Described first data transmission device receives the upstream data from 2N time slot of described business board, and from described upstream data the data of N time slot of extraction as the first uplink interaction data;
Described first data transmission device as the first descending interaction data, is combined into the data of all the other N time slot in the described downlink data interaction data with the described first descending interaction data and described the first uplink interaction data and sends to described the second data transmission device.
13. method according to claim 12 is characterized in that, described method also comprises:
Described first data transmission device sends from described light mouth after the first upstream data and the second uplink interaction data are made up, and wherein, described the first upstream data is
The data of all the other N time slot in the described upstream data, described the second uplink interaction data are the data from all the other N time slot in the interaction data of 2N time slot of described the second data transmission device.
14. method according to claim 13 is characterized in that,
The described first descending interaction data and described the first uplink interaction data are combined into interaction data to be comprised:
The described first descending interaction data is arranged in the top N time slot in 2N the time slot of described interaction data, with the rear N digit time slot of described the first uplink interaction data arrangement at a described 2N time slot;
The data that extract N time slot from 2N time slot of described interaction data comprise as the second descending interaction data:
From described interaction data, extract the data of the top N time slot in 2N the time slot as the described second descending interaction data; Perhaps
The described first descending interaction data and described the first uplink interaction data are combined into interaction data to be comprised:
The described first descending interaction data is arranged in the rear N digit time slot in 2N the time slot of described interaction data, with the top N time slot of described the first uplink interaction data arrangement at a described 2N time slot;
The data that extract N time slot from 2N time slot of described interaction data comprise as the second descending interaction data:
The data of the rear N digit time slot of 2N time slot of extraction are as the described second descending interaction data from described interaction data; Perhaps
The described first descending interaction data and described the first uplink interaction data are combined into interaction data to be comprised:
The described first descending interaction data is arranged in the strange time slot position of 2N time slot of described interaction data, with the even time slot position of described the first uplink interaction data arrangement at a described 2N time slot;
The data that extract N time slot from 2N time slot of described interaction data comprise as the second descending interaction data:
From described interaction data, extract the data of N strange time slot as the described second descending interaction data; Perhaps
The described first descending interaction data and described the first uplink interaction data are combined into interaction data to be comprised:
The described first descending interaction data is arranged in N even time slot position in 2N the time slot of described interaction data, with described the first uplink interaction data arrangement N of 2N time slot strange time slot position;
The data that extract N time slot from 2N time slot of described interaction data comprise as the second descending interaction data:
From described interaction data, extract the data of N even time slot as the described second descending interaction data.
15. method according to claim 13 is characterized in that,
The data that extract N time slot from described downlink data comprise one of following as first downstream data:
From described downlink data, extract the data of N strange time slot as described first downstream data;
From described downlink data, extract the data of N even time slot as described first downstream data;
The data of the top n time slot of 2N time slot of extraction are as described first downstream data from described downlink data;
The data of rear N time slot of 2N time slot of extraction are as described first downstream data from described downlink data;
The data that extract N time slot from described upstream data comprise one of following as the first uplink interaction data:
From described upstream data, extract the data of N strange time slot as described the first uplink interaction data;
From described upstream data, extract the data of N even time slot as described the first uplink interaction data;
The data of the top n time slot of 2N time slot of extraction are as described the first uplink interaction data from described upstream data;
The data of rear N time slot of 2N time slot of extraction are as described the first uplink interaction data from described upstream data.
16. a data transmission method is used for carrying out transfer of data in the data transmission system that comprises first data transmission device and the second data transmission device, described data transmission system is characterized in that between light mouth and business board described method comprises:
Described first data transmission device receives the interaction data from 2N time slot of described the second data transmission device, and from described interaction data the data of N time slot of extraction as the second uplink interaction data;
Described first data transmission device receives the upstream data from 2N time slot of described business board, and from described upstream data the data of N time slot of extraction as the first upstream data;
Described first data transmission device is sent to described light mouth after described the second uplink interaction data and described the first upstream data are made up;
Wherein, N is positive integer.
17. method according to claim 16 is characterized in that, described method also comprises:
Described first data transmission device receives the downlink data from 2N time slot of described light mouth, and from described downlink data the data of N time slot of extraction as the first descending interaction data;
Described first data transmission device is combined into interaction data to the described first descending interaction data and the first uplink interaction data and sends to described the second data transmission device, wherein, described the first uplink interaction data are the data of all the other N time slot in the described upstream data.
18. method according to claim 17 is characterized in that, described method also comprises:
Described first data transmission device sends to described business board after first downstream data and the second descending interaction data are made up, wherein, described first downstream data is the data of all the other N time slot in the described downlink data, and the described second descending interaction data is the data from all the other N time slot in the interaction data of 2N time slot of described the second data transmission device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910130197 CN101848402B (en) | 2009-03-25 | 2009-03-25 | Device, system and method for transmitting data |
| PCT/CN2009/075474 WO2010108369A1 (en) | 2009-03-25 | 2009-12-10 | Data transmission device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910130197 CN101848402B (en) | 2009-03-25 | 2009-03-25 | Device, system and method for transmitting data |
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| CN101848402A CN101848402A (en) | 2010-09-29 |
| CN101848402B true CN101848402B (en) | 2013-01-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996993A (en) * | 2006-01-05 | 2007-07-11 | 华为技术有限公司 | A method and system for improving the utilization ratio of back board service bus |
| CN101145873A (en) * | 2007-03-21 | 2008-03-19 | 中兴通讯股份有限公司 | A method and system for improving crossed capacity of SDH service |
| CN101150879A (en) * | 2007-10-10 | 2008-03-26 | 中兴通讯股份有限公司 | Intercrossed scheduling system and method based on optical transmission network |
| US7353288B1 (en) * | 2001-10-17 | 2008-04-01 | Ciena Corporation | SONET/SDH payload re-mapping and cross-connect |
-
2009
- 2009-03-25 CN CN 200910130197 patent/CN101848402B/en not_active Expired - Fee Related
- 2009-12-10 WO PCT/CN2009/075474 patent/WO2010108369A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7353288B1 (en) * | 2001-10-17 | 2008-04-01 | Ciena Corporation | SONET/SDH payload re-mapping and cross-connect |
| CN1996993A (en) * | 2006-01-05 | 2007-07-11 | 华为技术有限公司 | A method and system for improving the utilization ratio of back board service bus |
| CN101145873A (en) * | 2007-03-21 | 2008-03-19 | 中兴通讯股份有限公司 | A method and system for improving crossed capacity of SDH service |
| CN101150879A (en) * | 2007-10-10 | 2008-03-26 | 中兴通讯股份有限公司 | Intercrossed scheduling system and method based on optical transmission network |
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| WO2010108369A1 (en) | 2010-09-30 |
| CN101848402A (en) | 2010-09-29 |
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